57117770 has 8 divisors (see below), whose sum is σ = 102812004. Its totient is φ = 22847104.

The previous prime is 57117761. The next prime is 57117799. The reversal of 57117770 is 7771175.

57117770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 55636681 + 1481089 = 7459^2 + 1217^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 57117770.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2855879 + ... + 2855898.

Almost surely, 2^57117770 is an apocalyptic number.

57117770 is a deficient number, since it is larger than the sum of its proper divisors (45694234).

57117770 is a wasteful number, since it uses less digits than its factorization.

57117770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5711784.

The product of its (nonzero) digits is 12005, while the sum is 35.

The square root of 57117770 is about 7557.6299194920. The cubic root of 57117770 is about 385.1149822417.

The spelling of 57117770 in words is "fifty-seven million, one hundred seventeen thousand, seven hundred seventy".